[MMC] sdhci: reset sdhci controller early
Pierre Ossman [Fri, 30 Jun 2006 09:22:30 +0000 (02:22 -0700)]
The specification states that the capabilities register might need a reset to
get correct values after boot up.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

drivers/mmc/sdhci.c

index e37c814..06dec74 100644 (file)
@@ -1132,6 +1132,8 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
                goto release;
        }
 
+       sdhci_reset(host, SDHCI_RESET_ALL);
+
        version = readw(host->ioaddr + SDHCI_HOST_VERSION);
        version = (version & SDHCI_SPEC_VER_MASK) >> SDHCI_SPEC_VER_SHIFT;
        if (version != 0) {